as Newton was, many of his ideas_______ today and are being modified by the work of scientists of our time.

If the firefighters _____ in time, the fire would have resulted in many deaths in the hotel. [ ]

We need a new leader for our Helping HandsClub, but I don’t know ______. — Why not Mary She is always willing to helpothers.

Mary kept weighing herself to see how much _____ she was getting.

Helen is a mere washer woman, yetshe’s now buying a big house.Carol: Yes. Because she’s always saved________.